involuntary

不随意の、無意識の

自分でそうしようと思わずに、または制御できずに起こる。

やさしい英語で： Happening without you meaning to do it or being able to control it.

• His hand made an involuntary movement.
• She gave an involuntary cry when the door slammed.
• The medicine can cause involuntary muscle movements.

類義語： unintentional, automatic

反対語： voluntary, intentional

よく使う表現： involuntary movement, involuntary reaction, involuntary shudder

不本意な、強制的な

自分は望んでいないのに、強いられて行ったり経験したりする。

やさしい英語で： Done or experienced because you are forced to, although you do not want to.

• She became an involuntary participant in the dispute.
• His involuntary admission to hospital required a court order.
• The law protects people from involuntary servitude.

類義語： forced, unwilling

反対語： voluntary, willing

よく使う表現： involuntary participant, involuntary admission, involuntary confinement